<template>
  <div>
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片区域 -->
    <el-card>
      <!-- 搜索添加区域 -->

      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisibale=true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <!-- {{scope.row}} -->
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini" @click="showEidtDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini" @click="removeUser(scope.row.id)"
            ></el-button>
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini" @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisibale"
      width="50%"
      @close="addDialogClosed"
    >
    <!-- 内容主体区域 -->
      <el-form :model="addFrom" :rules="addFromRules" ref="addFromRef" label-width="70px">
  <el-form-item label="用户名" prop="username">
    <el-input v-model="addFrom.username"></el-input>
  </el-form-item>
   <el-form-item label="密码" prop="password">
    <el-input v-model="addFrom.password"></el-input>
  </el-form-item>
   <el-form-item label="邮箱" prop="email">
    <el-input v-model="addFrom.email"></el-input>
  </el-form-item>
   <el-form-item label="手机" prop="mobile">
    <el-input v-model="addFrom.mobile"></el-input>
  </el-form-item>
      </el-form>
  
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisibale = false">取 消</el-button>
        <el-button type="primary" @click="addUser"
          >确 定</el-button
        >
      </span>
    </el-dialog>

    <!-- 修改用户对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisibale"
      width="50%"
      @close="editDialogClosed"
    >
    <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
  <el-form-item label="用户名" >
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="editForm.email" ></el-input>
  </el-form-item>
  <el-form-item label="手机号" prop="mobile">
    <el-input v-model="editForm.mobile" ></el-input>
  </el-form-item>
    </el-form>
  
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisibale = false">取 消</el-button>
        <el-button type="primary" @click="edituser"
          >确 定</el-button
        >
      </span>
    </el-dialog>

     <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisibale"
      width="50%"
      @close = "setRoleDialogClosed"
    >
    <div>
      <p>当前用户：{{userInfo.username}}</p>
      <p>当前角色：{{userInfo.role_name}}</p>
      <p>分配新角色：
        <el-select v-model="selectedRoleId" placeholder="请选择">
    <el-option
      v-for="item in rolesList"
      :key="item.id"
      :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select>
      </p>
    </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisibale = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }

      cb(new Error('请输入合法的邮箱'))
    }

    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }

    return {
      // 获取用户列表对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2,
      },
      userlist: [],
      total: 0,
      addDialogVisibale: false,
      addFrom:{
        username:'',
        password:'',
        email:'',
        mobile:''
      },
      addFromRules:{
        username:[ 
          { required: true, message: '请输入账号', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' } 
        ],
        password:[
             { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email:[
          { required: true, message: '请输入邮箱', trigger: 'blur' }, 
        ],
        mobile:[
          { required: true, message: '请输入手机', trigger: 'blur' }, 
        ]
      },
      editDialogVisibale: false,
      // 查询到的用户对象
      editForm:{},
      editFormRules:{
         email:[
          { required: true, message: '请输入邮箱', trigger: 'blur' }, 
        ],
        mobile:[
          { required: true, message: '请输入手机', trigger: 'blur' }, 
          { validator: checkMobile,trigger:'blur'}
        ]
      },
      setRoleDialogVisibale : false,
      userInfo :{},
      rolesList:[],
      selectedRoleId:''
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo,
      })
      // console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败！')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      // console.log(this.userlist)
      // console.log(this.total)
    },

    handleSizeChange(newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },

    handleCurrentChange(newpage) {
      // console.log(newpage)
      this.queryInfo.pagenum = newpage
      this.getUserList()
    },
    // 监听switch状态改变
    async userStateChanged(userinfo) {
      // console.log(userinfo)
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo.mg_stat != userinfo.mg_stat
        return this.$message.error('更新失败！')
      }
      this.$message.success('更新成功')
    },

    addDialogClosed(){
      this.$refs.addFromRef.resetFields()
    },

    addUser(){
      this.$refs.addFromRef.validate(async valid=>{
        // console.log(valid)
        if(!valid) return
        const {data:res} = await this.$http.post('users',this.addFrom)
        if(res.meta.status !==201){
          this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功')
        this.addDialogVisibale=false
        this.getUserList()
      })
    },
    // 展示编辑用户对话框
    async showEidtDialog(id){
    const {data:res} = await this.$http.get('users/'+id)
    if(res.meta.status !==200){
      return this.$message.error('查询用户信息失败！')
    }
    this.editForm = res.data
    this.editDialogVisibale = true
      // console.log(this.editForm )

    },
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息
    edituser(){
      this.$refs.editFormRef.validate(async valid=>{
        // console.log(valid)
        if(!valid) return
         const {data:res} = await this.$http.put('users/'+this.editForm.id,{
           email:this.editForm.email,
           mobile:this.editForm.mobile
         })
        if(res.meta.status !==200){
          this.$message.error('修改用户失败！')
        }
        this.editDialogVisibale= false
        this.$message.success('修改用户成功')
        this.getUserList()
      })
    },
    // 删除用户
    async removeUser(id){
      // console.log(id)
    const confirmResult =await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>{
          return err
        })
        // 如果确认则返回confirm,取消则为cancel
        // console.log(confirmResult)
        if(confirmResult !=='confirm'){
          return this.$message.info('已取消删除')
        }
        // console.log('确认删除')
      const {data:res} =  await this.$http.delete('users/'+id)
      if(res.meta.status !==200){
      return this.$message.error('删除用户信息失败！')
      }
      this.$message.success('删除用户成功')
      this.getUserList()
    },
    // 展示分配权限
    async setRole(userInfo){
      this.userInfo = userInfo

      //获取所有角色列表
      const {data:res}=await this.$http.get('roles')
      if(res.meta.status!==200){
        return this.$message.error('获取角色列表失败')
      }
      this.rolesList = res.data
      this.setRoleDialogVisibale = true
    },
  // 展示权限
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('请选择要分配的角色！')
      }
      const {data:res} =await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
      if(res.meta.status!==200){
        return this.$message.error('更新角色列表失败')
      }
      this.$message.success('更新角色列表成功')
      this.getUserList()
      this.setRoleDialogVisibale= false
    },
    setRoleDialogClosed(){
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  },
}
</script>

<style lang="less" scoped>
.el-table {
  margin-top: 15px;
  font-size: 15px;
}
.el-pagination {
  margin-top: 15px;
}
</style>